INTRODUCTION

The name diamond comes from the greek word (adamas) which means invincible.The fact that it's not affected by acids and alkali, refers to the hardness of the mineral.In fact, by boiling them in concentrated hydrochloric acid, diamonds can be cleaned.People have fought over diamonds, have been injured and killed for diamonds.Royalties have used them as a symbol of power. To us as people, diamonds are a symbol of wealth and beauty. A diamond is one of the crystaline allotrophic forms of pure carbon, through the element occurs naturally it's amorphous state.